Metal Roof Truss – Advantages and Disadvantages of Metal Roof Truss Structures

Metal roof trusses, just like wood trusses, have their advantages and disadvantages. Some builders prefer to the metal roof truss because the building of a structure is all about precision and metal has a more precise measurement than wood. Safety is also an issue when deciding to use a metal roof truss or a wood truss system, building codes and other procedures may require certain trusses.

metal roof truss house

The metal roof truss has its advantages and disadvantages and will also greatly depend on the needs of the builder and if residential, the preferences of the homeowners.


Advantages of Metal Roof Truss Structures

There are many advantages of roof truss structures that are listed below:

  • Even though they are considered to be more expensive, metal roof trusses can span further than wood.
  • Metal roof trusses can be manufactured to exact standards.
  • They are much more lightweight and this allows for larger shipments. This reduces the time it takes to get to the project site.
  • Metal roof trusses are fire resistant.
  • They are compatible with almost all types of roofing systems.
  • No insect infestations can occur.
  • Chemical treatments are not necessary to maintain the trusses.
  • Metal roof trusses are recyclable and therefore environmentally friendly.


Disadvantages of Metal Roof Truss Structures

The disadvantages of metal roof trusses are as follows:

  • Skilled labor is required to install metal roof trusses.
  • They are not energy efficient since they allow more heat to escape from the structure.
  • Metal roof trusses allow sound to be more easily transmitted.
  • Temperature fluctuations allow them to move more.
  • When the metal is cut, drilled, scratched or welded, rust can become a problem.
  • The workers have a higher risk of electrocution when installing the metal roof trusses.
  • Wires that are on the trusses can rub over time creating a hazard to anyone who happens to touch the metal truss.

Leave a Comment